Method for production of a hydroentangled airlaid web and products obtained therefrom
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United States of America Patent
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Jul 19, 2016
Grant Date -
Jun 19, 2014
app pub date -
Jul 16, 2013
filing date -
Dec 13, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A method to prepare nonwoven webs which have good MD and CD strength, and are water disposable is provided. The method includes hydroentangling an airlaid web of no less than 50% by weight of natural cellulose fibers having a fiber length of no more than 3.5 mm and no more than 50% by weight staple fibers having a fiber length of no less than 8.0 mm. The airlaid web is not laid on a precursor web and no adhesive, binder or thermal bonding fibers are utilized. The airlayering and hydroentangling are conducted in a continuous operation. Products may be obtained according to the method of this invention that meet municipal guidelines for flushability.
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